SSC (English Medium) इयत्ता १० वी - Maharashtra State Board Question Bank Solutions

Body breaks up into several fragments and each fragment starts to live as a new individual. This is ______ type of reproduction.

Which precautions will you follow to maintain the reproductive health?

In case of sexual reproduction, newborn show similarities about characters. Explain this statement with suitable examples. 

At the time of birth, there are _______________ oocytes in the ovary of a female foetus.

In meiosis, the number of chromosomes becomes ___________.

What is gamete formation?

Give scientific reason.

Older women are more likely to give birth to children with some abnormalities.

Give scientific reason.

There is a menopause when women are 45-50 years old.

Explain two main process in sexual reproduction.

If newborns are produced at the age of menopause, they may be with some abnormalities. Why?

Define.

Fertilization

Which parts are converted into Seed and fruit respectively after fertilization?

How can plants and animals save themselves from extinction?

Give scientific reason.

The new individual produced by sexual reproduction always has the recombined genes of both the parents.

Explain the process of fertilization.

What would be the effect if meiosis did not occur in nature?

State whether True or False:

The chromosome number in germ cells producing the gametes are diploid.

In which part of the human female reproductive system do the following events take place?

Fertilization

What are autosomes chromosomes?

What is sex chromosomes?